A divider for dividing a hollow interior of a pan into first and second sections includes a main body that has a bottom face, first and second end faces and a top face. The main body is configured to stand upright in the hollow interior of the pan with the bottom face for seating against a floor of the pan and first and second end faces for sealing against opposing side walls of the pan. The divider includes first and second foldable covers for covering the first and second sections. The first cover is coupled to the top face along an inner edge thereof and the second cover is coupled to the top face along an inner edge thereof. First and second coupling tabs protrude outwardly from the main body and are configured to engage top edges of the opposing side walls of the pan.